to book (something): to arrange and confirm a place on a flight, a room in a hotel or a ticket for an event in the future.If you book your plane tickets in advance, they will be much cheaper.
breathtaking view: an amazing view.I’ve seen many breathtaking views during my journey to Paris.
busman's holiday: when you spend your free time similarly to the time when you work. This expression comes from the idea that a bus driver would spend his holiday traveling somewhere on a bus.Unfortunately, many people spend a busman’s holiday nowadays.
charter flight: a cheap regular flight.Due to our modest budget, we had to take a charter-flight.
check-in desk: the place at the airport where you register for your flight and deposit your luggage.